00462nam a22001097a 4500082001200000100002200012245020500034260003700239300002000276650003700296700001900333  a620.005  aButt, Adnan Ayubi  aIdentification and Analysis of key Determinants (Factors) Causing Customer Churn (Turn Over) among PTCL'S Domestic Customers and Develop Measures as a Framework for their Retention /cAdnan Ayubi Butt  aIslamabad :bCEME - NUST,c2012.  a232 p. ;c30cm.  aEngineering Management-MS-Thesis  aDr. Nawar Khan